Latest News About Stars and Galaxies
Stars are giant, luminous spheres of plasma. Galaxies consist of stars, stellar remnants, dust, gas, and dark matter, bound together by gravity. Learn more about stars and galaxies.
A Japanese space observatory has revealed the clearest view yet of the dusty Perseus galaxy cluster 250 million light-years from Earth.
Astronomers may have detected a new candidate for the coldest known star.
A close-up view of a busy star-birthing region shows the dramatic effects newborn stars have on the surrounding gas and dust.
The "eye" is really the environment around a spiral galaxy called NGC 4151, which is 43 million light-years from Earth.
A dying star has been caught brewing up a toxic mix of gases in deep space. A new Hubble Space Telescope photo shows the star, which is creating the Westbrook nebula.
The slim crescent moon will pass the Pleiades star cluster tonight.
Astronomers have spotted an ancient galaxy cluster that appears surprisingly young. The galaxy cluster formed nearly 3 billion years after the birth of the universe, but is surprisingly mature, scientists say.
Astrophysicist Stephen Hawking and Apollo 11 moonwalker Buzz Aldrin have teamed up to advance humanity's future beyond Earth. Hawking and Aldrin hope to support future exploration.
A longstanding question in astronomy is what creates cosmic rays, the super-speedy space particles that can zip right through the Earth.
The dusty galaxy NGC 247 is 1 million light-years closer to Earth than once thought.
The giant black hole at the heart of galaxy Markarian 231 kicks up a flood of material — behavior that starves the black hole and limits star formation.
Findings from NASA's Kepler telescope suggest planets are a dime a dozen in our galaxy.
NASA's WISE space telescope took its last photo of the sky on Feb. 1, 2011.
The ultradense core of an exploded star contains superfluids, a strange form of superconducting matter.
One glance at the night sky shows that some stars are brighter than others. But how bright are they really?
A stunning new photo from the Hubble Space Telescope shows newborn stars studding a spiral galaxy like bright blue jewels.
Astronomical detectives have assembled a stellar lineup, identifying nearby stars that may come close enough to disrupt our solar system in the next billion years or so.
A new study finds that galaxies need the dark matter equivalent of 300 billion suns for star formations.